<!doctype linuxdoc system>
<article>

<title>¤¤¤å UPS Howto
<author>Harvey J. Stein, <htmlurl url="mailto:abel@netvision.net.il"
name="abel@netvision.net.il">, Berger Financial Research, Ltd.
<date>v2.02, 31 March 1997

<abstract>
¥»¤å¯àÀ°§U±z±N Linux ¨t²Î³s±µ¨ì¤£Â_¹q¨t²Î (uninterruptable power supply, UPS)...
¦pªG©¯¹Bªº¸Ü ....

ª©ÅvÁn©ú:

Copyright (c) 1994, 1995, 1996, 1997 by Harvey J. Stein.  You may use
this document as you see fit, as long as it remains intact.  In
particular, this notice (along with the contributions below) must
remain untouched.

</abstract>

<toc>

<sect>Â²¤¶

<p>

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¨ä·Qªk¬O¥H¾A·íªº¤è¦¡±N¤GªÌ¬Û³s±µ¡A¨Ï±o Linux 
¥i¥H¦b¹q·½Â_¹q¥H¤Î UPS ªº¹q¦À¯Ó¥ú«e¦w¥þ¦aÃö¾÷¡C

¨ä¤¤ÁÙ¥]¬A¤F¤@¨Ç¥iÀ°§U±z«Ø¥ß¤W­z³s½uªº³nÅé¡A¥H¤Î¸Ô­z¸Ó³s½uªº¹B§@¤è¦¡¡C
°²¦p±z¯à§ä¨ì¤@­Ó¤w³]©w¦n¥i¥H¨Ï¥Î±zªº UPS ªº³nÅé¡A
«h«áªÌªº»¡©ú¹ï±z¨Ó»¡³q±`¬O¤£»Ý­nªº¡C§_«hªº¸Ü¡A±z¥²¶·¥J²Ó¦a¾\Åª¥¦¡C

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©Ò¦³ªº°ò¥»¸ê®Æ³£¥i¥H¦b <tt/SysVinit/ ¤¤ªº <tt/powerd/ man page ùØ§ä¨ì¡C
¾¨ºÞ¦b¤T¦~«e¦³¤H¥i¯àµLªk¦b¤@¯ëªº Linux ®M¥ó¤¤§ä¨ì³o½g man page ¡A
¦ý§Ú¤£¬Û«H¤µ«áÁÙ·|¦Aµo¥Í³o¼Ëªº±¡ªp¡C

°£¦¹¤§¥~¡A·í§Ú²Ä¤@¦¸¼¶¼g³o½g Howto ¡A°£¤F <tt/powerd.c/
¥H¥~¨Ã¨S¦³¨ä¥Lªº³nÅé¥i¥H°µ¬° Linux/UPS ¤§¶¡ªº·¾³q»P±±¨î¡C
¦Ó¤µ¤é§Ú­Ì«h¥i¥H¦b <url name="Sunsite's UPS directory"
url="http://sunsite.unc.edu:/pub/Linux/system/ups">
¤U§ä¨ì¤@¤j°ï UPS ±±¨î³nÅé¡C

µM¦Ó¡A¨ü¨ì RedHat §Y±N­«·s¦L»s Dr. Linux ªº¿EÀy¡A§Ú¤]¶}©l­«¼g³o½g UPS Hotwo ¡C
¬°¤°»ò©O? ¶â ....

<itemize>
   <item>§Ú·Q¡AÃB¥~ªº¤@¯ë©Ê·§Æ[±N¯à¦³§U©ó¤F¸Ñ¦p¦ó±N Linux ¨t²Î³s¤W UPS ¡A
    §Y¨Ï¥¦¥u¬O¥t¤@¥÷¤º®e¬Û¦Pªº¤å¥ó¡C

   <item>³o½g HOWTO ºâ¬O¦UºØ¯S®í UPS ¸ê®ÆªºÀxÂÃ®w --- 
    ¦b³o¨à¦³³\¦h©|¥¼³Q¾ã¦X¤J¤@¯ë³nÅé®M¥ó¤¤ªº UPS ¸ê°T¡C

   <item>³o½g HOWTO ¥]§t¤F¤@¨Ç¦b¨ä¥L¤å¥ó¤¤§ä¤£¨ìªºÃB¥~¸Ô²Ó¸ê®Æ¡C

   <item>¤@¨Ç¥i¥H¦b <url name="Sunsite's UPS directory"
    url="http://sunsite.unc.edu:/pub/Linux/system/ups"> 
    §ä±o¨ìªº UPS ³nÅé¦ü¥G»¡©ú¤å¥ó³£¤Ö±o¥i¼¦¡C
    ±z¤]³\»Ý­n¥ý¾\ðé¥»¤å¥H¤F¸Ñ¦p¦ó¨Ï¥Î¥L­Ì¡C

   <item>²{¦b³o¥ó¨Æ¦ü¥G¤w¦³¤F¦Û¤vªº¥Í©R¤F¡C·í¤@½g HOWTO 
    ¤å¥ó¦]¦Ó½Ï¥Í®É¨Æ¹ê´N§ó¥[©úÅã¤F¡C¥t¤@­Ó¤ñ¸û¤£©úÅãªº¨Æ¹ê¬O·í¥¦¥²¶·¤W§ÉºÎÄ±®É¡C

    (Ä¶µù: ³o¤@¥y¯º¸Ü§Ú¬Ý¤£À´°Õ! ­ü! Â½±o¦nÄê ....)
</itemize>

<sect1>¦³°^Ämªº¤H­Ì

<p>

§Ú¥Ã»·³£·|·P¿E¨º¨Ç´¿¸gµ¹§ÚÀ°§U¡Bµ¹§Ú«ØÄ³¡B¥H¤Îµ¹§Ú¯S®íªº UPS ¸ê®Æªº¤H­Ì¡C
¨ä¤¤¥]¬A¤F:

<itemize>

   <item>Hennus Bergman
 (<htmlurl url="mailto:hennus@sky.owl.nl" name="hennus@sky.owl.nl">)

    <item>Charli
(<htmlurl url="mailto:mefistos@impsat1.com.ar" name="mefistos@impsat1.com.ar">)

    <item>Ciro Cattuto
 (<htmlurl name="Ciro Cattuto" url="mailto:ciro@stud.unipg.it">)

    <item>Nick Christenson
 (<htmlurl url="mailto:npc@minotaur.jpl.nasa.gov"
 name="npc@minotaur.jpl.nasa.gov">)

   <item>Lam Dang
 (<htmlurl url="mailto:angit@netcom.com" name="angit@netcom.com">)

   <item>Markus Eiden
 (<htmlurl url="mailto:Markus@eiden.de" name="Markus@eiden.de">)

   <item>Dan Fandrich
 (<htmlurl url="mailto:dan@fch.wimsey.bc.ca" name="dan@fch.wimsey.bc.ca">)

   <item>Ben Galliart
 (<htmlurl url="mailto:bgallia@orion.it.luc.edu"
 name="bgallia@orion.it.luc.edu">)

   <item>Danny ter Haar
 (<htmlurl url="mailto:dth@cistron.nl" name="dth@cistron.nl">)

   <item>Christian G. Holtje
 (<htmlurl url="mailto:docwhat@uiuc.edu" name="docwhat@uiuc.edu">)

   <item>Raymond A. Ingles
 (<htmlurl url="mailto:inglesra@frc.com" name="inglesra@frc.com">)

   <item>Peter Kammer
 (<htmlurl url="mailto:pkammer@ics.uci.edu" name="pkammer@ics.uci.edu">)

   <item>Marek Michalkiewicz
 (<htmlurl url="mailto:ind43@sun1000.ci.pwr.wroc.pl"
  name="ind43@sun1000.ci.pwr.wroc.pl">)

   <item>Jim Ockers
 (<htmlurl url="mailto:ockers@umr.edu" name="ockers@umr.edu">)
 
   <item>Evgeny Stambulchik
 (<htmlurl url="mailto:fnevgeny@plasma-gate.weizmann.ac.il"
 name="fnevgeny@plasma-gate.weizmann.ac.il">)

   <item>Clive A. Stubbings
 (<htmlurl url="mailto:cas@vjet.demon.co.uk" name="cas@vjet.demon.co.uk">)

   <item>Miquel van Smoorenburg
 (<htmlurl url="mailto:miquels@cistron.nl" name="miquels@cistron.nl">)

   <item>Slavik Terletsky
 (<htmlurl url="mailto:ts@polynet.lviv.ua" name="ts@polynet.lviv.ua">)

   <item>Tom Webster
 (<htmlurl url="mailto:webster@kaiwan.com" name="webster@kaiwan.com">)

</itemize>
 
½Ðª`·N¤U¤èªº email ¦a§}¬O¦Û¹q¤l«H¥ó¤¤¸`¿ý¤U¨Óªº¡A¥¦­Ì¤]³\·|¹L´Á¡C
¦Ó¤W¤èªº email ¦a§}¥i¯à¤]·|¹L´Á¡A¦ý¦³¨Ç¬O¤ñ°_¤U¤èÁÙ­n·sªº¡C

°£¦¹¤§¥~¡A¦pªG¦]§Úªº²¨©¿¦Ó¦b¤Wªí¤¤º|±¼¥ô¦ó¤@¦ì¦³°^ÄmªÌªº¸Ü¡A§Ú¯uªº«Ü©êºp¡C
½Ð±z email µ¹§Ú¡A§Ú·|±N±zªº¦W¦r¥[¤W¥h¡C


<sect1>½Ð¯S§Oª`·N

<p>
§Ú¯uªºµLªk«OÃÒ³o¨ÇªFªF¹ï±z·|¦³®Ä¡C³sµ² UPS ¨ì¹q¸£¤W¬O¤@¥ó¬Û·í¦³§Þ¥©ªº¤u§@¡C
¨ä¤¤¤§¤@©Î¤GªÌ³£¦³¥i¯à·|¿N±¼¡BÃz¬µ¡BµÛ¤õ¡B©ÎªÌ¬O¤Þµo²Ä¤T¦¸¥@¬É¤j¾Ô¡C
°£¦¹¤§¥~¡A§Ú¥u¦³¹ï Advice 1200 A UPS¡A¥H¤Î 5kva Best Ferrups ¦³ª½±µªº¸gÅç¡A
¦Ó¥B§Ú¤]¤£»Ý­n¦Û¤v°µ¤@±ø°T¸¹½u¡C©Ò¥H¡A½Ðª`·N! ¾¨¥i¯à¦a¦¬¶°±zªº UPS ªº©Ò¦³¸ê°T¡C
½Ð¥ý¦Ò¼{²M·¡¡A¤£­nÀH«K¬Û«H¥ô¦ó±z¦b¥»¤å¤¤©Î¨ä¥L¦a¤è©ÒÅª¨ìªº¤º®e¡C

¥t¤@¤è­±¡A§Ú¥¿ºÉ¥i¯à¦a¦¬¶°©Ò¦³¨Ï§Úªº UPS ¥i¥H¤u§@ªº¤èªk¡A
¨ä¤¤¦³«Ü¦h¤£¬O¨Ó¦Û»s³y°Óªº¸ê°T¡A©Ò©¯¤]¨S¦³¿N±¼¥ô¦óªF¦è¡A©Ò¥H³o¨Ç³£¬O¥i¯àªº¡C


<sect1>¨ä¥Lªº¤å¥ó

<p>
¥»¤å¨Ã¨S¦³¥]§t©Ò¦³ UPS ªº¤@¯ë¯S©Ê»P¯à¤O¡C¦p±z»Ý­n³oÃþ«¬ªº¸ê°T¡A§A¥i¥H¬Ý¬Ý
<url name="The UPS FAQ" 
 url="ftp://navigator.jpl.nasa.gov/pub/doc/faq/UPS.faq">¡C
³o½g¤å¥ó¦P®É¤]¥i¥H¦b <htmlurl
name="ftp://rtfm.mit.edu/pub/usenet-by-hierarchy/comp/answers/UPS-faq"
url="ftp://rtfm.mit.edu/pub/usenet-by-hierarchy/comp/answers/UPS-faq">
¤¤§ä¨ì¡C¥¦¬O¥Ñ Nick Christenson (<htmlurl
url="mailto:npc@minotaur.jpl.nasa.gov" name="npc@minotaur.jpl.nasa.gov">)
©ÒºûÅ@ªº¡A¦ý¬Ý°_¨Ó¦n¹³¦Û±q 1995 ¦~¥H«á´N¨S¦³¦A­«¼g¤F¡C¦pªG±z­n email µ¹¥L¡A
¥L§Æ±æ±z¥i¥H¦b«H¥óªº Subject ¨º¤@¦æ©ñ¤J <tt/UPS/ ©Î <tt/UPS FAQ/ 
©Î¨ä¥L¬ÛÃöªºµü¥y¡C

¦³³\³\¦h¦hªº UPS »s³y°Ó¦bºô¸ô¤¤µÞªÞ¡C
¨ä¤¤¦³¨Ç½T¹ê¦b¥L­Ìªººô­¶¤¤´£¨Ñ¤F¦³¥Îªº¸ê°T¡C±z¥i¥H¦b
<url name="The UPS Directory"
url="http://www.upssystems.uk.com/upsdir.html"> ¤¤§ä¨ì³o¨Ç UPS 
»s³y°Óªººô­¶Â²ªí¡C¸Óºô¯¸¤]¥]§t¤F
<url name="UPS FAQ" url="http://www.upssystems.uk.com/upsfaqs.html">
³o½g¤å¥ó¡C


<sect>½Ðª`·N¤w¹L®Éªº¸ê°T

<p>
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<url name="the latest sysvinit package"
url="http://sunsite.unc.edu/pub/Linux/system/daemons/init/sysvinit-2.64.tar.gz">
ªº <tt/init/ daemon ¤ñ°_§Ú©Ò¯à´y­zªºÁÙ­nÂ²­®¡C
¾¨ºÞ¬Ý°_¨Ó¥Ø«eªºª©¥»»P¸Óµ{¦¡§¹¦¨®Éªºª©¥»¬Û®e¡A¦ý·í¤¤¤´µM¦³¤@¨Ç¹ï UPS
<bf/¬Û·í­«­n/ ªº¤ä´©¨S¦³¤å¥ó»¡©ú¡C

©³¤U©ÒÂ²­zªº±±¨î¾÷¨î¥u¯àÅý <tt/powerd/ °eµ¹ <tt/init/ <tt/powerfail/ ©Î
<tt/powerok/ ³o¨â­Ó°T®§¤§¤@¦Ó¤w¡C<tt/init/ ±µ¨ì <tt/powerfail/ 
°T®§®É°õ¦æ¤@­Ó©R¥O¡A¦Ó·í¥¦±µ¨ì <tt/powerok/ ®É«h°õ¦æ¥t¤@­Ó©R¥O¡C
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¸û·sª©¥»ªº <tt/init/ (¹³¬O 2.58 ª©) ´N¤ñ¸ûºë¨}¤F¡C
¥¦¥i¥H¦b±µ¨ì°T¸¹®É¿ï¾Ü <tt/¤T­Ó/ script ¤¤¤§¤@¨Ó°õ¦æ¡C¦p¦¹¤@¨Ó¡A <tt/init/
¥i¥H¦b±µ¨ì¹q·½Â_¹q°T¸¹®É°õ¦æ <tt/powerfail/ script ¡A¥i¥H°õ¦æ¤@­Ó
<tt/powerfailnow/ script °µ¥ß§YªºÃö¾÷ ¡A¥H¤Î¤@­Ó <tt/powerok/ script
¨Ó°±¤î¥ô¦ó¥¿¦b¶i¦æªºÃö¾÷°Ê§@¡C³o¼Ë¤ñ°_­n§Ú­Ì¦Û¦æ³B²z³o¨Ç¾÷¨î­nÂ²³æ¦h¤F¡C

¾¨ºÞ³oùØ¤j³¡¤Àªº°Q½×¤´°²³]¨Ï¥ÎÂÂªº <tt/init/ ³q°T¤è¦¡¡A
§Ú¤w¥[¤J¤F¨â­Ó·sªº³¹¸`¨Ó´y­z·sªº³s½u¤èªk¡C³o¨â­Ó³¹¸`¬O <ref id="ciro"
name="Trust Energy Protector 400/650"> ¤Î <ref id="apc700" name="APC
Smart-UPS 700">¡C¨ä¤¤«eªÌ¯S§O¸Ô²Ó¡C¤GªÌ³£¥]§t¤F¤@­Ó <tt/powerd.c/ ÀÉ¡A
¥¦¥i¥H¦b¦¬¨ì§C¹q¤O°T¸¹®É°e°T¸¹µ¹ <tt/init/ ¥H¶i¦æºò«æÃö¾÷¡A
´N¹³¬O <tt>/etc/inittab</tt> ÀÉ¤¤¨º´X¦æ©Ò¼gªº¤@¼Ë¡C¨ä¾lªº¡A
§Ú©Ò¯à§i¶D±zªº´N¥u¦³½Ð±z¬Ý¬Ý <tt/init/ ªº­ì©l½X¤F¡C

´N§Ú©Òª¾ªº¡A¦b¥H¤U©Ò¦Cªº UPS ³nÅé®M¥ó¤¤¦³³\¦h¤]±Ä¥Î¤F·s¦¡ªº³s½u¤è¦¡¡C

<sect>Áo©úªº»P³æ½Õªº UPS

<p>
UPS ¤j¦Ü¤À¬°¨âÃþ¡A§Ú¤À§O¥s¥¦­Ì ``Áo©úªº (Smart)''»P ``³æ½Õªº (Dumb)''¡C
¤GªÌ¤§¶¡ªº®t²§¦b©ó§Ú­Ì¯à¦Û UPS Àò±o¦h¤Öªº°T®§¥H¤Î§Ú­Ì¯à°÷¹ï UPS ¤U¹F¦h¤Ö©R¥O¡C

<p>
<descrip>
   <tag/³æ½Õªº UPS/
<itemize>
   <item>ÂÇ¥Ñ§Ç¦Cªú (serial port) »P¹q¸£¬Û³s¡C
   <item>¨Ï¥Î modem ±±¨î½u»P¹q¸£¬Û³q°T¡C
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   <item>¤]³\¥i¥H¦b UPS ªº¹q¤O¬O§_°¾§C®É³qª¾¹q¸£¡C
   <item>¹q¸£³q±`¥i¥H°e°T¸¹µ¹ UPS Åý¥¦±N¦Û¤vÃö³¬¡C
</itemize>

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<itemize>
   <item>ÂÇ¥Ñ§Ç¦Cªú (serial port) »P¹q¸£¬Û³s¡C
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   <item>¦h¥b¦³¤@²Õ©R¥O»y¨¥¥i¥HÅý¹q¸£¦Û UPS ¨º±oª¾¦U¦¡¦U¼Ëªº¸ê°T¡A
    ¥H³]©w¦UºØ¹B§@°Ñ¼Æµ¹ UPS¡A¦P®É¤]¾Þ§@ UPS (¹³¬O±N¥¦Ãö±¼)
</itemize>

</descrip>

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´N§Ú©Òª¾¡A¥u¦³ BEST ¤½¥q©Ò»s§@ªº UPS ¥i¥H«Ü®e©ö¦a¦b Linux ¤U¹B§@¡C
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(¥H¤Î³æ½Õ¼Ò¦¡)¡C BEST ¤½¥q¤]´£¨Ñ¤F¥i¥H»P¥L­Ìªº UPS ·¾³qªºµ{¦¡ªº­ì©l½X¡C

©Ò¦³¦C¦b <ref id="software" name="³nÅé"> ³¹¸`ªº³nÅé¬Ò¥i¦b³æ½Õ¼Ò¦¡¤U»P
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ARC UPS ¡A¦ý§Ú¤£ª¾¹D¥L­Ì¬O¦p¦óÀò­ã¦Ó°µ¨ìªº¡C
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<sect>³nÅé<label id="software">

<p>
°ò¥»¤W¡A±z©Ò»Ýªº´N¬O¤@­Ó¥i¥H¤u§@ <tt>powerd</tt> µ{¦¡ÀÉ¡A³q±`±z¥i¥H¦b
<tt>/sbin/powerd</tt> ¤U§ä¨ì¥¦¡C¥¦³q±`¬OÄÝ©ó <tt/SysVinit/ ¨t²Îªº¤@³¡¤À¡C
´N§Ú©Òª¾¡A©Ò¦³ªñ´Áª©¥»ªº Linux ¨t²Î³£¥]§t¤F¤@­Ó¸û·sª©ªº <tt/SysVinit/ ¡C
¦ý¦b«D±`ÂÂªºª©¥»«h¤£¥]§t <tt>powerd</tt>¡C

°ß¤@ªº°ÝÃD¬O±zªº°T¸¹Æl½u¥i¯à¤£¯à»P±zªº <tt/powerd/ ³]©w¬Û°t¦X¡A
¦b³o±¡ªp¤U±z¥²¶·­«·s°µ¤@±ø°T¸¹Æl½u¡A©ÎªÌ¬O§ä¨Ó¤@¥÷ <tt/powerd.c/ 
ÀÉ¨Ã­×§ï¥¦¨Ï±o¥¦¯à°t¦X±zªº°T¸¹Æl½u¤u§@¡C©ÎªÌ¬O¡A
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´N¹³­è­è©Ò´£¨ìªº¡A°£¤F¨Ï¥Î <tt/SysVinit/ ªº <tt/powerd/ 
¤§¥~±z¤]¥i¥H®³²{¦³ªº¥ô¦ó¤@ºØ UPS ³nÅé¨Ó¥Î¡C¥Ø«e¦³³\¦h³nÅé¥i¥HÀ°§U±z«Ø¥ß¹q¸£»P
UPS ¤§¶¡ªº³s½u¡C¦b§Ú²Ä¤@¦¸¼g³o½g HOWTO ®É³£ÁÙ¨S¦³³o¨Ç³nÅé¡A
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¦b 1997 ¦~ 3 ¤ë 15 ¤é¥ª¥k¡A <url name="Sunsite ªº UPS ¥Ø¿ý"
url="http://sunsite.unc.edu:/pub/Linux/system/ups"> 
¤U¥i¥H§ä¨ì¤@¤j°ïªº³nÅé¥i¥Î¡C¦Ó¦b¨ä¥Lªººô¯¸¦ü¥G¤]¦³ UPS ±±¨î³nÅé¥i¥H§ä¨ì¡C
¥H¤U¬O§Ú¥Ø«e©Ò§ä¨ìªº (°£¤F¨ä¤¤¨â­Ó¥H¥~¡A¨ä¥L³£¬O¦b sunsite §ä¨ìªº):

<descrip>
   <tag><url name="Enhanced&lowbar;APC&lowbar;BackUPS.tar.gz" 
url="http://sunsite.unc.edu:/pub/Linux/system/ups/Enhanced&lowbar;APC&lowbar;BackUPS.tar.gz"></tag>

   ³o¬O¤@­Ó¥i¥H±±¨î APC Áo©ú¼Ò¦¡ªº UPS ¡C¬Ý°_¨Ó°ò¥»¤W¬O¨Ì¾Ú BUPS Howto
   (¥]§t¤F³o¤@½g) ¡A¦ý¤]¦n¹³¦³¤@¨Ç§C¹q¤OÄµ§iªº¤ä´©¡C

   <tag/<url name="Enhanced&lowbar;APC&lowbar;UPSD-v1.4.tar.gz"
url="http://sunsite.unc.edu:/pub/Linux/system/ups/Enhanced&lowbar;APC&lowbar;UPSD-v1.4.tar.gz"><label
id="Enhanced">/

   ¦b <tt/.lsm/ ÀÉ¤¤´£¨ì¥¦±q«e´N¬O¤W¤@­Ó©Ò´£¨ìªº³nÅé¡A
   ¦ý¨Æ¹ê¤W¥¦¥¿¬O±N¤W¤@­Ó³nÅéªº <tt/.tar.gz/ ÀÉ¥]¸Ë¦b¥¦ªº <tt/tar.gz/ 
   ÀÉ¤§¤º¡C¨º½g¤å¥ó»¡©ú¦³°ÝÃD¡A¬Ý°_¨Ó¥¦¦ü¥G¦P®É¤ä´© APC UPS 
   ªºÁo©ú»P³æ½Õ¼Ò¦¡¡A¦ý§Ú¤£´±½T©w¡C

   <tag/<url name="apcd-0.5.tar.gz"
url="http://sunsite.unc.edu:/pub/Linux/system/ups/apcd-0.5.tar.gz"><label
id="apcd">/

   ³o¬O¥t¤@­Ó¥i¥H±±¨î APC UPS ©óÁo©ú¼Ò¦¡¤U¹B§@ªº³nÅé¡C
   ¬Ý°_¨Ó¦ü¥G¥i¥H¤ä´©¥D/±q¼Ò¦¡
   (¤]´N¬O»¡¡A·í°±¹q®É¥i¥H¥Ñ¤@¥x¾÷¾¹°e°T¸¹µ¹¥t¤@¥x¾÷¾¹¥s¥¦Ãö¾÷) ¡C
   ¬Ý°_¨Ó¦ü¥G¬O¨Ï¥Î¤F UPS ªºÁo©ú¼Ò¦¡¡A¤£¹³¬O¸g¥Ñ modem ªº°T¸¹½u¨Ó±±¨î¡C

   <tag/<url name="smupsd directory"
url="ftp://cms180.cmsnet.com/pub/smupsd/"><label id="smupsd">/

   ¤S¬O¥t¤@­Ó±±¨î APC UPS ªº³nÅé¡C¬Ý°_¨Ó¥i¥H¦b«D±`Áo©ú (tm) ¼Ò¦¡¤U¾Þ§@
   UPS ¡CÁ|¨Ò¨Ó»¡¡A¥¦¥]§t¤F¤@­Ó Java ¹Ï§Î¤¶­±ªº UPS ºÊ±±¤u¨ãµ{¦¡¡C
   ¸Ó¥Ø¿ý¤U¥]§t¤F¤w½sÄ¶¦nªº RPM §Î¦¡ªº³nÅé (<htmlurl
   url="ftp://cms180.cmsnet.com/pub/smupsd/smupsd-0.7-1.i386.rpm"
   name="ftp://cms180.cmsnet.com/pub/smupsd/smupsd-0.7-1.i386.rpm">) ¡A
   ¤@­Ó­ì©l½X RPM ®æ¦¡ÀÉ (<htmlurl
   url="ftp://cms180.cmsnet.com/pub/smupsd/smupsd-0.7-1.src.rpm"
   name="ftp://cms180.cmsnet.com/pub/smupsd/smupsd-0.7-1.src.rpm">) ¡A
   ¥H¤Î¤@­Óðé§ÚÀÉ®× (<htmlurl
   url="ftp://cms180.cmsnet.com/pub/smupsd/smupsd-0.7-1.README"
   name="ftp://cms180.cmsnet.com/pub/smupsd/smupsd-0.7-1.README">) ¡C

   <tag/<url name="genpower-1.0.1.tgz" 
url="http://sunsite.unc.edu:/pub/Linux/system/ups/genpower-1.0.1.tgz"><label id="genpower">/

   ¤@­Ó¤@¯ë¤Æªº UPS ±±¨î³nÅé¡C¥¦¥]§t¤F«Ü¦hºØ UPS ªº³]©w --- ¨âºØ TrippLite
   ªº³]©w¡A¥H¤Î¤TºØ APC ªº³]©w¡C¦P®É¤]¥]§t¤F«Ü¦nªº»¡©ú¤å¥ó¡Cª«¶W©Ò­È¡C
   
   <tag/<url name="powerd-2.0.tar.gz"
url="http://sunsite.unc.edu:/pub/Linux/system/ups/powerd-2.0.tar.gz"><label id="
powerd2">/

   ¤@­Ó <tt/SysVinit/ ªº <tt/powerd/ µ{¦¡ªº´À¥N«~¡C
   »P¥¦ªº»¡©ú¤å¥ó©Ò´£¨ìªº¬Û¤Ï¡A¥¦¦ü¥G¨S¦³¾ã¦X¨ì <tt/SysVinit/ 2.62 
   ª©¤¤¡C¥¦ªºÀuÂI¦b©ó¥¦¥i¥H°µ¬°¦b¨ä¥L¾÷¾¹¤W°õ¦æªº <tt/powerd/ ªº¦øªAºÝ
   (°²¦p±zªº¾÷¾¹¦³³s¤Wºô¸ô¥B¥u¦³¤@­Ó UPS ªº¸Ü) ¡A¦Ó¥B¥¦¥i¥H¥Î³]©wÀÉ¨Ó¶i¦æ³]©w
   ---- ¬G¨ä­ì©l½X¤£»Ý­×§ï¤Î­«·s½sÄ¶¡C

   <tag/<url name="upsd-1.0.tgz"
url="http://sunsite.unc.edu:/pub/Linux/system/ups/upsd-1.0.tgz"><label
id="upsd">/

   ¥t¤@­Ó <tt/powerd/ ªº´À¥N«~¡C¬Ý°_¨Ó¦ü¥G»P powerd-2.0.tar.gz 
   ¦³³\¦h¬Û¦üªº¯S¦â¡C

   <tag/<url name="checkups.tar"
url="http://www.bestpower.com/section/software/checkups.tar"><label id="checkups
">/

   ³o­Ó³nÅé¬O¥Î¨Ó±±¨î Best UPS ªº¡C¥¦¬Oª½±µ¨Ó¦Û Best ¤½¥qªººô­¶ªº¡C
   ¥¦¥]§t¤F¦hºØ <tt/unix/ ªº¥i°õ¦æÀÉ¡A¦ý§ó­«­nªº¬O¡A¥¦ÁÙ¥]§t¤F­ì©l½X¡A
   ¬G±z¥i¥H¦b Linux ¤U´ú¸Õ¥¦¡A¦Ó¥B°²¦p¥¦µLªk¤u§@¡A±z¤]¥i¥H¸ÕµÛ­×§ï¥¦¡C
   ¦¹­ì©l½X¦P®É¥]§t¤F¦b³æ½Õ¼Ò¦¡¤U±±¨î UPS ªº "°ò¥»ÀË´ú" «ü¥O¡A
   ¥H¤Î¤@¨Ç§óºë¥©ªº "¥ý¶iÀË´ú" «ü¥O --- ·í UPS ¦^³ø»¡¥¦¥u³Ñ X 
   ¤ÀÄÁªº¹q¤O®É§Yµo¥XÃö¾÷ªº°T¸¹¡A¦Ó¤£¬Oµ¥¨ì X ¤ÀÄÁ«á¹q¤O³£¥Î¥ú¤F¤~¶}©lÃö¾÷¡C
   ¦¹¥ý¶iÀË´úµ{¦¡¤]·|¦b UPS µo¥X¹³¬O©P³òÀô¹Ò·Å«×¹L°ª¡B±µªñ§C¹q¤O¡B
   §C¥æ¬y¹q¿é¥X¡B©ÎªÌ¬O¨Ï¥ÎªÌ´ú¸Õµ¥Äµ§i®ÉÃö³¬¾÷¾¹¡C

   <tag/<url name="bestups-0.9.tar.gz"
url="http://sunsite.unc.edu:/pub/Linux/system/ups/bestups-0.9.tar.gz"><label
id="bestups">/

   ¥i¯à¦b±zÅª¨ì³o½g¤å³¹®É¡A¦¹¦b sunsite ¥i¥H§ä±o¨ìªº³nÅé¤wµo®i±o«Ü¦n¤F¡C
   ¥¦¬O¤@¹ï¥i¥H¬Û¤¬³q°Tªº¼Ò²Õ¡A¥Î¥H±±¨î Best Ferrups UPS¡C¥¦¥i¥H¦bÁo©ú¼Ò¦¡¤U
   ±±¨î UPS ¡C¥¦¥i¥H»P powerd-2.0 ¦X§@¾Þ±± --- ³o¤@ÂI¦b·í±z¦³¤@­Ó¤j«¬ªº
   Best Ferrups UPS ¤ä´©³s±µ¦bºô¸ô¤W¾÷¾¹ªº¹q¤O®É®æ¥~¦³¥Î¡C

</descrip>

<p>
½Ðª`·N§Ú¥u¬O§Ö³t¦aÂsÄý¹L³o¨Ç³nÅé¡C§Ú¨Ã¨S¦³¥Î¥¦­Ì¡A°£¤F¨º­Ó§Ú­Ì¤~¶}©l¨Ï¥Îªº
<url name="bestups-0.9.tar.gz"
url="http://sunsite.unc.edu:/pub/Linux/system/ups/bestups-0.9.tar.gz">
¥H¤Î <url name="powerd-2.0.tar.gz"
url="http://sunsite.unc.edu:/pub/Linux/system/ups/powerd-2.0.tar.gz"> ¡A
¨ä¤¤ ``¤~¶}©l'' ·N«ä¬O»¡§Ú­Ì¤~¦b¤W­Ó¬P´Á¥|¶}¨Ï°µ´ú¸Õ¡C

<sect>¦Û¤v°Ê¤â«ü«n

<p>
³oùØªº°Q½×¬O°w¹ï³æ½Õ¼Ò¦¡ªº UPS ±±¨î¦Ó¼g´Nªº¡CµM¦Ó¡A
¤j³¡¤Àªº¹Lµ{¹ï³æ½Õªº UPS »PÁo©úªº UPS ´X¥G¬O¤@¼Ëªº¡C³Ì¤jªº¤£¦P¦b©ó UPS
ºÊ±±µ{¦¡ (°ò¥»¤W¬O <tt/powerd/) ¦p¦ó»P UPS ·¾³q¡C

¦b¶}©l¤§«e¡A§Ú«ØÄ³¥H¤Uªº¤u§@¬yµ{:
<itemize>
  <item>²¤Åª³o½g¤å¥ó¡C
  <item>¤U¸ü¨Ã¼f¬d©Ò¦³¬Ý°_¨Ó¯S§O¾A¦X±zªº UPS ªº³nÅé¡C
  <item>¤U¸ü¨Ã¼f¬d©Ò¦³§ó¤@¯ë¤Æªº³nÅé¡C½Ðª`·N¦³¨Ç¸û¤@¯ë¤Æªº³nÅé¨Æ¹ê¤W§ó¬°±j¤j¡B
  ¦³§ó¦nªº»¡©ú¤å¥ó¡B¥B¤ñ°_¨º¨Ç¸û¯S®íªº³nÅé§ó®e©ö¨Ï¥Î¡C
  <item>¦pªG±z¨ÌµMµLªkÅý UPS ¤u§@¡A©Î¬O±zªº¤è¦V¨ÌÂÂ¤£²M·¡¡A
  ½Ð±z¥J²Ó¾\Åª¥»¤å¡A¨Ã¸Õ¸Õ°µ hack ªº¤u§@ ....
</itemize>


<sect1>±z©Ò»Ýªº¤u§@ (Á`µ²)

<p>
<itemize>
  <item>±N±zªº¹q¸£±µ¤W UPS ¡C
  <item>¥Î¯S®íªº°T¸¹Æl½u±N±zªº¹q¸£ªºªº¦ê¦Cªú»P UPS ³s±µ¦b¤@°_¡C
  <item>¦b±zªº¹q¸£¤W¶] <tt>powerd</tt> (©Î¨ä¥LÃþ¦üªº³nÅé) ¡C
  <item>³]©w±zªº <tt/init/ µ{¦¡¨Ï¥¦¯à¦b powerfail ¤Î powerok 
  ¨Æ¥óµo¥Í®É°µ¾A·íªº³B²z (¨Ò¦p¤À§O±Ò°Ê <tt/shutdown/ µ{§Ç¤Î°±¤î¥¿¦b°õ¦æªº
  <tt/shutdown/ µ{§Ç)¡C
</itemize>

<sect1>³oÀ³¸Ó¬O°µ¤°»ò¤u§@ªº?

<p>

<descrip>
   <tag/UPS ªº¤u§@/
      ·í¹q¤O®ø¥¢®É¡A UPS «ùÄò¨ÑÀ³¹q¸£©Ò»Ýªº¹q¤O¡A
      ¨Ã¥H°e¥X­«¸m°T¸¹©Î¬O¦b¥¦ªº±±¨îªú¤W¥´¶}³s±µ°T¸¹¥H³qª¾¹q¸£¹q¤O®ø¥¢¤F¡C

   <tag/°T¸¹Æl½uªº¤u§@/
      °T¸¹Æl½u¬O³]­p¬°·í UPS °e¥X­«¸m°T¸¹®É¡A·|¨Ï±o¯S®íªº§Ç¦Cªú±±¨î±µ¸}
      (°ò¥»¤W¬O <tt/DCD/) ¥X²{°ª¹q¦ì¡C

   <tag/Powerd ªº¤u§@/
      <tt/powerd/ µ{¦¡­t³dºÊµø§Ç¦Cªú¡C¥¦«O«ùµÛ UPS ©Ò»Ý¦Ó¤É°ª / 
      ­°§C§Ç¦Cªú±±¨î±µ¸}ªº°ª / §C¹q¦ì (°ò¥»¤W¡A <tt/DTR/
      ±µ¸}¥²¶·«O«ù¦b°ª¹q¦ì¥BÃö³¬ UPS ªº±µ¸}¥²¶·«O«ù¦b§C¹q¦ì) ¡C·í <tt/powerd/
      µoÄ±±±¨î±µ¸}ÅÜ¦¨°ª¹q¦ì¡A¥¦·|¦b <tt>/etc/powerfail</tt> ÀÉ¤¤¼g¤J
      <tt/FAIL/ ³o­Ó¦r¨Ã°e <tt/SIGPWR/ °T¸¹µ¹ <tt/init/ ¦æµ{¡C
      ·í±±¨î±µ¸}¦A¦¸ÅÜ¦^§C¹q¦ì®É¡A¥¦·|¦b <tt>/etc/powerfail</tt> 
      ÀÉ¤¤¼g¤J <tt/OK/ ³o­Ó¦r¨Ã°e <tt/SIGPWR/ °T¸¹µ¹ <tt/init/ ¡C

   <tag/Init ªº¤u§@ (°£¤W­z¤§¥~¥¦­t³d©Ò¦³ªº¤u§@)/
      ·í¥¦±µ¨ì¤F <tt/SIGPWR/ °T¸¹¡A¥¦·|ÀË¬d <tt>/etc/powerfail</tt> ÀÉ¡C
      ¦pªGùØÀY¬O <tt/FAIL/ ³o­Ó¦r²´¥¦·|°õ¦æ <tt>/etc/inittab</tt>
      ÀÉ¤¤ <tt/powerfail/ ¨º¤@¦æªº«ü¥O¡C¦pªGùØÀY¬O <tt/OK/ 
      ³o­Ó¦r¥¦«h°õ¦æ <tt/inittab/ ÀÉ¤¤ <tt/powerokwait/ ¨º¤@¦æªº«ü¥O¡C

   </descrip>

<sect1>¦p¦ó³]©w¦n©Ò¦³ªº¤u§@

<p>

¥H¤U§Ú­Ì°²³]±z¦³¤@±ø¥i¥H©M <tt/powerd/ ¥¿±`¤u§@ªº°T¸¹Æl½u¡C
¦pªG±z¤£½T©w±zªº°T¸¹Æl½u¬O§_¥i¥H¤u§@ (©Î¥¦¦p¦ó¤u§@)¡A½Ð°Ñ¦Ò
<ref id="hacking" name="°T¸¹Æl½u¤Ï¦V¤ÀªR¤Î­×§ï power.c">
¤@¸`¡A¨º¨à¦³Ãö©ó¤Ö¨£ªº°T¸¹Æl½u³B²z¤Î­«·s³]©w <tt/powerd.c/ ªº¸ê°T¡C
<ref id="serial-port" name="§Ç¦Cªú±µ¸}ªº«ü©w"> ¤Î
<ref id="ioctl" name="¦³ÃöÅª¼g RS232"> ³o¨â¸`¤]±N¹ï±z¦³À°§U¡C

¦pªG±z»Ý­n»s§@¤@±ø°T¸¹Æl½u¡A½Ð¨£ <ref id="make-cable"
name="¦p¦ó»s§@°T¸¹Æl½u"> ªº¸Ô²Ó»¡©ú¡A¥H¤Î <ref id="ups-specific" 
name="UPS ¸ê®Æ¸`¿ï"> ¤@¸`¤¤¦³Ãö±zªº UPS ªº¤p¸`¡C
«áªÌ¥i¯à¤]¥]§t¤F»s³y°Ó©Ò´£¨Ñªº°T¸¹Æl½uªº¬ÛÃö¸ê°T¡C
©Î³\±zÀ³¦Ü¤Ö±N <ref id="ups-specific" name="UPS ¸ê®Æ¸`¿ï">
¤¤©Ò¦³ªº¤p¸`ÂsÄý¹L¤@¹M¡A¦]¬°¨C¤@¤p¸`³£·|¦³¤@¨ÇÃB¥~ªº¤@¯ë©Ê¸ê®Æ¯à¹ï±z¦³À°§U¡C

<itemize>
   <item>­×§ï <tt>/etc/inittab</tt> ÀÉ¡C¼g¤J¹³¥H¤Uªº¤º®e:

      <verb>
# What to do when power fails (Halt system & drain battery :):
pf::powerfail:/etc/powerfailscript +5

# If power is back before shutdown, cancel the running shutdown.
pg:0123456:powerokwait:/etc/powerokscript
   </verb>

   <item>¼g <tt>/etc/powerfailscript</tt> ¤Î <tt>/etc/powerokscript</tt>
   ³o¨â­Ó script ÀÉ¤À§O¦b¤­¤ÀÄÁ (©Î¨ä¥L±z³ßÅwªº®É¶¡) 
   ¤§¤º¶i¦æÃö¾÷¤Î°±¤î¥ô¦ó¦s¦bªº <tt/shutdown/ µ{§Ç¡C
   ¨Ì±z©Ò¥Îªº <tt/shutdown/ µ{¦¡ª©¥»ªº¤£¦P¡A
   ¥¦¥i¯à·|¬Û·í³æÂ²¥H¦Ü©ó±z®Ú¥»¤£»Ý¨Ï¥Î script ÀÉ¡A©ÎªÌ¬O¤@¦æ <tt/bash/
   ªº script ÀÉ¹³¬O¥H¤U³o¤@¦æ:

<verb>
    kill `ps -aux | grep "shutdown" | grep -v grep | awk '{print $2}'`
</verb>
      
   (¬°¤FÁ×§K±z§Ë¿ù¡A¤W¤@¦æ¤¤²Ä¤@­Ó³æ¤Þ¸¹¬O¤Ï¦V³æ¤Þ¸¹¡A²Ä¤G¤Î²Ä¤T­Ó¬O³æ¤Þ¸¹¡A
   ¦Ó³Ì«á¤@­Ó«h¬°¤Ï¦V³æ¤Þ¸¹¡C)

   <item>¥Î¥H¤Uªº©R¥O§i¶D <tt/init/ ­«·sÅª¨ú <tt/inittab/ ÀÉ¤¤ªº³]©w:


   <verb>
    telinit q
   </verb>

   <item>½së® rc.local ÀÉ¦b¶}¾÷®É°õ¦æ <tt/powerd/ ¡C¨ä»yªk¦p¤U:

    <verb>
    powerd <line>
    </verb>

    ¨ä¤¤¡A½Ð±z¦Û¦æ±N <tt>&lt;line&gt;</tt> ³o­Ó¦r´À´«¦¨ modem 
    ©Ò³s±µªº§Ç¦Cªú¦W¡A¹³¬O <tt>/dev/cua1</tt>¡C

    <item>±N¹q¸£ªº§Ç¦Cªú»P UPS ªº°T¸¹Æl½u¬Û³s¡C½Ð¥ý¤£­n±N¹q¸£ªº¹q·½ª½±µ±µ¨ì 
     UPS ¤W¡C
    
    <item>±N¤@­Ó¥ú·½ (¦p¿Oªw) ±µ¨ì UPS ¤W¡C

    <item>°õ¦æ <tt/powerd/¡C

    <item>¨Ì·Ó¥H¤Uªº¨BÆJ¶i¦æ´ú¸Õ:
    <itemize>
	<item>©Þ±¼ UPS ªº´¡ÀY¡C
	    <itemize>
	    <item>ÀË¬d¸Ó¿Oªw¬O§_¤´µM«GµÛ¡C
	    <item>ÀË¬d <tt>/etc/powerfailscript</tt> ¬O§_¤w¶}©l°õ¦æ¡C
	    <item>ÀË¬d <tt/shutdown/ ¬O§_¥¿¦b°õ¦æ¡C
	    </itemize>
	<item>±µ¦^ UPS ªº´¡ÀY¡C
	    <itemize>
	    <item>ÀË¬d¸Ó¿Oªw¬O§_¤´µM«GµÛ¡C
	    <item>ÀË¬d <tt>/etc/powerokscript</tt> ¬O§_¤w¶}©l°õ¦æ¡C
	    <item>ÀË¬d <tt>/etc/powerfailscript</tt> ¬O§_¤w°±¤î°õ¦æ¡C
	    <item>ÀË¬d <tt/shutdown/ ¬O§_¤w°±¤î°õ¦æ¡C
	    </itemize>
	<item>¦A¦¸©Þ±¼ UPS ªº´¡ÀY¡C©ñµÛ¤£¥hºÞ¥¦¨Ã½T©w¹q¸£¦b¤@¬q®É¶¡«á
	¥i¥H¥¿±`Ãö¾÷¡C

	<item><bf/¦MÀI¨BÆJ¡C/ ¦b©Ò¦³ªº¨BÆJ¬Ý°_¨Ó³£¥¿±`¤§«á¡A
	±N¹q¸£¹q·½Ãö³¬¨Ã±N¹q¸£ªº¹q·½±µ¨ì UPS ¤W¡C½Ð°õ¦æ¤@­Ó script
	¤j¬ù¨C¬íÄÁ°µ¤@¦¸ sync µwºÐ¸ê®Æ¦^¦sªº°Ê§@¡A¦P®É¤]¶]¥t¤@­Ó script
	«ùÄò¥H find «ü¥O·j´M¾ãÁûµwºÐ¡C¨ä¤¤²Ä¤@­Ó script 
	¬O¬°¤F½T«O¦w¥þ¡A¦Ó²Ä¤G­Ó«h¬O§Uªø¹q¤Oªº®ø¯Ó¡C²{¦b¡A±N UPS
	ªº´¡ÀY©Þ¥X¡A¦A¦¸ÀË¬d <tt/shutdown/ ¬O§_¤w¦b¹B§@¡A¨Ãµ¥«Ý¤@¬q®É¶¡¡C
	½T©w¹q¸£¦b UPS ªº¹q¤O¥Î§¹«e§¹¥þ¦aÃö¾÷¡C¦¹¤@¨BÆJ¬O«Ü¦MÀIªº¡A
	¦]¬°¦pªG UPS ªº¹q¤O¦b¹q¸£§¹¦¨Ãö¾÷¤§«e¥ý¥Î§¹¤F¡A
	±zªºÀÉ®×¨t²Î±N·|¨ü·l¡A¥B±z±N¥i¯à¥á¥¢¤@¨ÇÀÉ®×¡C
	±z¥i¯à¦b¶i¦æ³o¶µ´ú¸Õ¤§«e·|·Q­n³Æ¥÷±z©Ò¦³ªºÀÉ®×¡A
	¨Ã±N¶}©lÃö¾÷ªº®É¶¡³]µu¤@ÂI¥H¶}©l³o¶µ´ú¸Õ¡C
   </itemize>
</itemize>

®¥³ß±z! ±zªº Linux ¨t²Î²{¦b¤w¦b UPS ªº«OÅ@¤U¡A
¥B¥¦±N·|¦b¹q¤O¯ÓºÉ¤§«e¦w¥þ¦aÃö¾÷¤F¡C


<sect1>¶i¤@¨Bªº§ïµ½

<p>

<itemize>
   <item>­×§ï <tt/powerd.c/ ¨Ï¥¦¦bºÊµø UPS ªº°T¸¹½u®É¯à±oª¾¹q¦À¹q¤O¤w®z¡C
   ·í¹q¤O·L®z®É¡A°¨¤W¶i¦æºò«æÃö¾÷µ{§Ç¡C
   <item>­×§ïÃö¾÷µ{§Ç¨Ï¥¦¦b <tt/powerfail/ ±¡ªp¤UÃö¾÷®É¡A
   ¯à°÷¦b§¹¦¨©Ò¦³¤u§@¤§«á±N UPS Ãö±¼¡C
</itemize>

<sect>µwÅéªºª`·N¨Æ¶µ

<p>
<sect1>¦p¦ó»s§@°T¸¹Æl½u<label id="make-cable">

<p>
¥»¸`ªº¤º®e¥u¬O¨Ç§Ú¦bºô¸ô¤W¬Ý¨ìªº¸ê°T¡C§Ú¨Ã¨S¦³¿Ë¦Û¸Õ¹L¡A
©Ò¥H§ÚµLªk¨Ì§Úªº¸gÅç¼g¤U¨Ó¡C¦pªG¦³¤H¦³¸gÅç¡A³Â·Ð±z¬°§Ú¼g³o¤@¸` :)¡C
¦P®É¤]½Ð±z°Ñ¦Ò <ref id="gps1000" name="ACCODATA ªº GPS1000"> ¤¤¦³Ãö 
GPS1000 ªº¸ê®Æ¡A¤£¥²»¡¡A<ref id="ups-specific" name="UPS ¸ê®Æ¸`¿ï">
³o¤@¸`¤¤©Ò¦³¯S®í UPS ªº¸ê®Æ¤]¬O­È±o°Ñ¦Òªº¡C

<verb>
   >From miquels@caution.cistron.nl.mugnet.org Wed Jul 21 14:26:33 1993
   Newsgroups: comp.os.linux
   Subject: Re: UPS interface for Linux?
   From: miquels@caution.cistron.nl.mugnet.org (Miquel van Smoorenburg)
   Date: Sat, 17 Jul 93 18:03:37
   Distribution: world
   Organization: Cistron Electronics.

   In article <1993Jul15.184450.5193@excaliber.uucp>
   joel@rac1.wam.umd.edu (Joel M. Hoffman) writes:
   > §Ú¥¿¥´ºâ­nÁÊ¶R UPS (¤£Â_¹q¨t²Î)¡A§Úª`·N¨ì¦³¨Ç¨ã¦³ LAN ªº¤¶­±¡A
   > ¥i¥H¦b°±¹q®É¦V LAN °e°T¸¹¡C
   >
   > ¦Ó Linux ¦³¨S¦³³o¼Ëªº¤¶­±©O?
   >
   > ÁÂÁÂ±zªº¦^µª¡C
   >
   >-Joel
   >(joel@wam.umd.edu)
   >

   ·í§Ú¦b­×§ï¤W¤@ª©ªº SysVinit ®É (²{¦bªºª©¥»¬O 2.4)¡A
   ¨º®É§Úªº¹q¸£¦³¤@­Ó UPS ¡A©Ò¥H§Ú¥[¤J¤F¹ï¥¦ªº¤ä´©¡C
   ±z¤]³\¤w¦b³Ìªñªº¤@­Ó <signal.h> ¼ÐÀYÀÉ¤¤¬Ý¨ì¤F #define SIGPWR 30
   ³o¤@¦æ :-)¡CÁ`¤§¡A§Ú¨Ã¨S¦³¨º­Ó¯S®íªº¤¶­±¡A¦ý¤j¦h¼Æªº UPS
   ¬O¾a²£¥Í©Î¤¤Â_¤@­Ó¹q·½¤¤Â_°T¸¹¦b¹B§@ªº¡C
   §Ú·Q¨ì¤@­ÓÂ²³æªº¤è¦¡¥i¥H±N¥¦ªº°T¸¹½u³s±µ¨ì¹q¸£°T¦Cªúªº DCD
   ±µ¸}¡C¦b SysVinit ®M¥ó¤¤¦³¤@­Ó¥s°µ 'powerd' 
   ªº±`¾nµ{¦¡¥i¥H°lÂÜ¨ÃºÊµø¸Ó°T¸¹½u¡A·í°T¸¹ªºª¬ºA§ïÅÜ®É¥¦·|°e¤@­Ó SIGPWR
   ªº°T¸¹µ¹ init µ{¦¡¡A¦]¦¹ init «K¥i¥H±Ä¨ú¾A·íªº¦æ°Ê (¹³¬O¦b 5
   ¤ÀÄÁ¤§«áÅý¨t²ÎÃö¾÷) ¡C¦p¦ó±N°T¸¹½u»P UPS ¬Û³s¦b "powerd.c"
   ¤w¦³»¡©ú¡A¦ý§ÚÁÙ¬O¹Ï¥Ü¦p¤U¥H°µ¬°¸ÑÄÀ:


                        +------------------------o  DTR
                        |
                      +---+
                      |   | resistor
                      |   | 10 kilo-Ohm
                      |   |
                      +---+                                To serial port.
                        |
          +-----o-------+------------------------o  DCD
          |             |
          o  UPS        |
        \    relais     |
         \              |
          |             |
          +-----o-------+------------------------o  GND

   µe±oÁÙ¥i¥H¶Ü?

   §Æ±æ³o¼Ë·|¦³À°§U¡C

   SysVinit ¥i¥H¦b sunsite (©Î¥i¯à¦b tsx-11) ¤U§ä¨ì¡AÀÉ¦W¬O 
   SysVinit2.4.tar.z ¡C

   Mike.

   --

   Miquel van Smoorenburg, <miquels@cistron.nl.mugnet.org>
   Ibmio.com: cannot open CONFIG.SYS: file handle broke off.


   >From danny@caution.cistron.nl.mugnet.org Wed Jul 21 14:27:04 1993
   Newsgroups: comp.os.linux
   Subject: Re: UPS interface for Linux?
   From: danny@caution.cistron.nl.mugnet.org (Danny ter Haar)
   Date: Mon, 19 Jul 93 11:02:14
   Distribution: world
   Organization: Cistron Electronics.

   In article <9307174330@caution.cistron.nl.mugnet.org>
   miquels@caution.cistron.nl.mugnet.org (Miquel van Smoorenburg) writes:
   > ¦p¦ó±N°T¸¹½u»P UPS ¬Û³s¦b "powerd.c" ¤w¦³»¡©ú¡A
   > ¦ý§ÚÁÙ¬O¹Ï¥Ü¦p¤U¥H°µ¬°¸ÑÄÀ:

   ¸Ó¹Ï¥Ü¨Ã¤£¤Q¤À²M·¡¡A½Ð§ï¥Î¥H¤Uªº¹Ï¥Ü!
   >
   >                     +------------------------o  DTR
   >                     |
   >                   +---+
   >                   |   | resistor
   >                   |   | 10 kilo-Ohm
   >                   |   |
   >                   +---+                                To serial port.
   >                     |
   >       +-----o-------+------------------------o  DCD
   >       |
   >       o  UPS
   >     \    relais
   >      \
   >       |
   >       +-----o--------------------------------o  GND
   >

   ¨ä¤¤ DTR ±µ¸}¬O«O«ù¦b°ª¹q¦ì¡A«h·í UPS ªº¥~¬É¿é¤J¹q·½®ø¥¢®É¡A
   ¨º­Ó¶}Ãö (relais) ·|Ãö³¬¡C¦Ó¹q¸£«K¬OºÊµø DCD ¿é¤J±µ¸}¡Aµ¥µÛ¥¦ÅÜ¦¨§C¹q¦ì¡C
   ·í¨Æ±¡µo¥Í®É¥¦±N·|±Ò°ÊÃö¾÷µ{§Ç ...

   _____
   Danny

   --
   <=====================================================================>
   Danny ter Haar  <dannyth@hacktic.nl> or <danny@cistron.nl.mugnet.org>
   Robins law #103: 'a couple of lightyears can't part good friends'
</verb>

<sect1>°T¸¹Æl½u¤Ï¦V¤ÀªR¤Î­×§ï power.c<label id="hacking">

<p>


</article>

